查询词典 pile cap

Two groups of field tests on original soil and the soil among piles ,three groups of field tests on single pile ,one-pile and three-pile composite foundation have been conducted and the results of the bearing capacity ,as well as the elastic modula of each pile and composite foundation are obtained.It can be seen that soft earth reinforced by cement-soil piles seem to have better appearance in bearing and deforming than original one.

通过桩间土、原状土各两组，单桩，单桩与多桩复合地基各三组的现场静载荷对比试验，获得了各自的容许承载力值，根据P-S曲线计算出的变形模量结果表明，地基经过粉喷处理后，地基力学性质和变形特性得到明显改善，土层的强度和变形模量明显提高。

According to fully expounding the geologic condition of the location of the bridge and the structure of pile foundation and the research level of the bearing capacity of group pile foundation in the present, the paper analyzes the mechanism of group effect and the impact on bearing capacity of pile foundation. The finite-element numerical analyses and self-balanced method are adopted in the present paper to calculate and analyze the vertical bearing capacity of pile group of north main-tower is cleared up and analyzed.

在全面阐述桥位区工程地质条件和桩基础组成结构以及群桩基础承载力研究现状的基础上，深入探讨了群桩效应及其对桩基础承载力影响的机理，分别采用自平衡试桩测试技术和三维土工有限元模拟方法研究了单桩竖向承载力问题，通过对试验和计算结果的整理、对比分析，确定了能够客观反映地基土工程特性的地基土计算参数。

According to the basic principle of self-balanced pile test method and the conversional simplified conversion method, the pile bearing capacity between the equivalent loaded piles and self-balanced piles were compared. The influence of negative skin friction on self-balanced pile test was studied. The conversion formulas of pile bearing capacity and settlement were derived.

根据自平衡测试法的基本原理，在传统简化转换法的基础上，通过等效受压桩和自平衡试桩上下桩段受力情况的对比分析，研究了负摩阻力对自平衡测试原理的影响，推得了桩承载力和位移的转换公式。

The time-history velocity response signal of pile can be decomposed by Sym wavelet. The power spectrum value can be extracted from some specified spectrum range. These values from one signal makes up the characteristic vector representing this signal. The relationship between characteristic vector of pile and pile defect type can he established by using BP artificial neural network. Abundant time-history velocity response signals of pile can be acquired by numerical simulation method.

利用Sym小波对基桩速度响应时程曲线进行小波分解，对指定频带上的信号分量进行特征值提取，提取的特征值为反映各频带范围内体现能量分布的功率谱均值，提取的特征值可构成反映信号特征的特征向量，同时利用BP人工神经网络的非线性映射特性建立特征向量和基桩缺陷类别之间的一种对应关系。

By using finite element method,the pile group effect coefficient of soil resistance under pile cap is analyzed for the composite pile foundation.

利用三维弹塑性有限元方法，对复合桩基承台底土阻力群桩效应系数进行了分析；根据分析，编制了相应的有限元程序；应用该程序研究了承台宽与桩长之比、桩距、桩数、土类等对承台底土阻力群桩效应系数的影响。

This paper focuses on some of the special technical features to be considered in the design of pile foundations, including effects of particular site conditions, pile group effect s, lateral resistance of pile cap and flow slide of liquefiable soil etc.

主要说明台湾高速铁路工程南部段自里程TK188至TK343长约155km松软冲积层中桩基础设计中几个需详细考虑的因素特殊地盘效应、群桩效应、桩帽侧向阻抗及土壤液化地层滑移等。

It is necessary to study the pile cap's working principle and to build a scientific reasonable and practicable pile-cap designing method for bridges.

因此，深入研究桩~承台体系的受力和变形机理，进而建立起一套科学、合理、实用的桥梁桩基础设计方法具有极其重要的意义。

At present, in all of the building codes, the calculation and designing method of the pile-cap is based on the assumption that the pile cap is absolutely rigid.

现行规范中关于桩~承台体系的分析和计算方法都是建立在绝对刚性承台假定之上的，此即所谓的&m 法桩~绝对刚性承台法&。

Meanwhile, this text also discusses the possibility for the applications of this theory in the RC and SFRC pile cap s, and points out that the method of designing and calculating in the pile cap s which is systemic an.

同时，还探讨了拉压杆理论在钢筋混凝土和钢纤维混凝土桩承台中的应用的可能性，并指出应该建立系统化的基于拉压杆理论的桩承台设计计算方法。

In view of the system complexity, it is difficult for a number of previous methods to consider the embedded cap effects on the dynamic pile-soil interaction system. As a result, the dynamic impedance of a pile group with embedded cap was rarely reported.

由于系统的复杂性，以往桩-土动力相互作用研究的很多方法难以考虑承台的埋置作用，因此有关埋置承台群桩动力特性的研究报道很少。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。